55641044 has 48 divisors (see below), whose sum is σ = 107761920. Its totient is φ = 25038720.

The previous prime is 55641037. The next prime is 55641049. The reversal of 55641044 is 44014655.

It is a junction number, because it is equal to n+sod(n) for n = 55640998 and 55641016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55641049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131954 + ... + 132374.

It is an arithmetic number, because the mean of its divisors is an integer number (2245040).

Almost surely, 2^55641044 is an apocalyptic number.

It is an amenable number.

55641044 is a deficient number, since it is larger than the sum of its proper divisors (52120876).

55641044 is a wasteful number, since it uses less digits than its factorization.

55641044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528 (or 526 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 55641044 is about 7459.2924597444. The cubic root of 55641044 is about 381.7670335594.

Adding to 55641044 its reverse (44014655), we get a palindrome (99655699).

The spelling of 55641044 in words is "fifty-five million, six hundred forty-one thousand, forty-four".